Finding the Fourth Proportional to 827,328.15, 1,240,844.49 and 220,119.95
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Solution
The fourth proportional to 827,328.15, 1,240,844.49 and 220,119.95 is: 330,140.62
Step by Step Solution
- Step 1: Write the proportion equation
827,328.15 : 1,240,844.49 = 220,119.95 : x - Step 2: Convert to fraction form
827,328.15/1,240,844.49 = 220,119.95/x - Step 3: Cross multiply
827,328.15x = 1,240,844.49 × 220,119.95 - Step 4: Simplify right side
827,328.15x = 273,134,630,198.69 - Step 5: Solve for x
x = 273,134,630,198.69/827,328.15 - Step 6: Final answer
x = 330,140.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.